3 years ago

What is the value of y?

Mathematics

1 answer:

tresset_1 [31]3 years ago

3 0

Answer:

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

114° is an external angle of the triangle , thus

y + y = 114°

2y = 114° ( divide both sides by 2 )

y = 57° → C

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